feilongfl / sigrokdecoder_i2cdag

sigrokdecoder i2c dag

This is a analyser for analyse protocol based on i2c protocol.

Todos

• iic addr analyse
• iic data analyse
  • single byte analyse
  • multibyte analyse(12bit/16bit/more, like ti ser ds90ub925)
• iic bit analyse
• multi page iic device support(like Ov2640)
• indirect address support
• iic data addr auto increase(like ti ser ds90ub925)
• DAG Edit tool
  • Manual edit is too difficult

usage

1. make a dag file to support your protocol anasyse, Please check i2c_dag/dag_demo.yml. Your file struct should like this:

   

2. analyse wave by pulsewave

install

git clone https://github.com/feilongfl/sigrokdecoder_i2cdag.git SOME_DIR
SIGROKDECODE_DIR=SOME_DIR pulseview

# for example:
SIGROKDECODE_DIR=/home/feilong/.config/pulseview/decorders pulseview